package com.hmdp.interceptor;

import com.hmdp.utils.UserHolder;
import lombok.extern.slf4j.Slf4j;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.web.servlet.HandlerInterceptor;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * 鉴权拦截器配置
 *
 * @author leizi
 */
@Slf4j
public class LoginInterceptor implements HandlerInterceptor {

    private final StringRedisTemplate redisTemplate;

    public LoginInterceptor(StringRedisTemplate redisTemplate) {
        this.redisTemplate = redisTemplate;
    }

    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) {
        if (null == UserHolder.getUser()) {
            response.setStatus(401);
            return false;
        }

        return true;
    }

    @Override
    public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) {
        UserHolder.removeUser();
    }
}
